What is expand (2+7x)/((1+2x)(1-x)) ?

The solution to expand (2+7x)/((1+2x)(1-x)) is (2+7x)/(1+x-2x^2)

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expand (2+7x)/((1+2x)(1-x))

expand

\frac{2 + 7 x}{( 1 + 2 x ) ( 1 - x )}

\frac{2 + 7 x}{1 + x - 2 x ^{2}}

Solution steps

\frac{2 + 7 x}{( 1 + 2 x ) ( 1 - x )}

Expand

(1 + 2 x) (1 - x) : 1 + x - 2 x^{2}

= \frac{2 + 7 x}{1 + x - 2 x ^{2}}

\frac{b ^{2} - x ^{2}}{( b ^{2} + x ^{2} ) ^{2}}

\frac{173}{12} x - 16 (x - 4)

\frac{d ^{2}}{d x d y} ((f (x, y)) 6 (x + y)^{2})

\frac{d ^{2}}{d x ^{2}} ((y) (2 x^{3} + y + y^{2}))

(x 1 + x) (1 + 1 + x)

What is expand (2+7x)/((1+2x)(1-x)) ?
The solution to expand (2+7x)/((1+2x)(1-x)) is (2+7x)/(1+x-2x^2)